Codeforces Round #647 — Thanks, Algo Muse!

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Codeforces Round #647 — Thanks, Algo Muse!

Revision en4, by Anadi, 2020-06-02 12:30:55

Hello Codeforces!

I have a pleasure to invite you to Codeforces Round #647 (Div. 1) and Codeforces Round #647 (Div. 2). This round will take place on Thursday, June 4th, 2020, at 16:35. In both divisions, you will have 2.5 hours to solve 6 problems, three problems shared.

The problems for this round were prepared by MicGor, Grzmot, Okrut, and me.

I would like to thank everyone who made this round possible:

budalnik, for the excellent coordination
Lewin, sstrong for invaluable advice and testing
KrK, yarek, -is-this-fft-, w0nsh, Marckess, Ari, Fortin, Dup4, craborac, 300iq for taking the time to test and providing useful feedback
MikeMirzayanov for great platforms Codeforces and Polygon

We hope you will enjoy the problem set! Good luck!

Revisions

Rev.	By	When	Δ	Comment
en24	Anadi	2020-06-05 11:56:32	1	Tiny change: 'he winners\n\nDiv.' -> 'he winners!\n\nDiv.'
en23	Anadi	2020-06-05 11:55:36	368	Tiny change: 'n- [user: _khushi_]\n- [use' -> 'n- [user: \_khushi\_]\n- [use'
en22	Anadi	2020-06-04 20:37:00	65
en21	Anadi	2020-06-03 17:38:49	119	Tiny change: ' - Div 1: 500\n - Div 2' -> ' - Div 1: $500$ -- $1250$\n - Div 2' (published)
en20	Anadi	2020-06-03 17:30:53	59	Tiny change: ' luck!\n\n\nBelo' -> ' luck!\n\nUPD: Score distribution:\n\n\nBelo' (saved to drafts)
en19	Anadi	2020-06-03 11:44:44	26	Tiny change: '020-06-02] for taki' -> '020-06-02], [user: HIR180] for taki'
en18	Anadi	2020-06-02 20:43:49	0	(published)
en17	Anadi	2020-06-02 20:43:36	178	(saved to drafts)
en16	Una_Shem	2020-06-02 16:16:51	19
en15	Una_Shem	2020-06-02 16:11:54	0	(published)
en14	Una_Shem	2020-06-02 16:11:40	4	Tiny change: 'account._ ' -> 'account._ \n\n' (saved to drafts)
en13	Anadi	2020-06-02 16:08:58	0	(published)
en12	Anadi	2020-06-02 16:07:04	4
en11	Anadi	2020-06-02 16:04:57	6
en10	Una_Shem	2020-06-02 15:14:16	2
en9	Una_Shem	2020-06-02 14:57:49	11
en8	Una_Shem	2020-06-02 14:55:17	140
en7	Una_Shem	2020-06-02 14:52:37	931
en6	Anadi	2020-06-02 13:05:21	21
en5	Anadi	2020-06-02 12:40:44	10	Tiny change: 'dvice and testing\n' -> 'dvice and extensive testing\n'
en4	Anadi	2020-06-02 12:30:55	12	Tiny change: 'ble advice\n\n- [use' -> 'ble advice and testing\n\n- [use'
en3	Anadi	2020-06-02 12:26:36	204
en2	Anadi	2020-06-02 12:21:24	38
en1	Anadi	2020-06-02 12:20:23	1238	Initial revision (saved to drafts)